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Finding the Fourth Proportional to 133,994.88, 200,929.92 and 49,696.32

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Solution

The fourth proportional to 133,994.88, 200,929.92 and 49,696.32 is: 74,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,994.88 : 200,929.92 = 49,696.32 : x
  2. Step 2: Convert to fraction form
    133,994.88/200,929.92 = 49,696.32/x
  3. Step 3: Cross multiply
    133,994.88x = 200,929.92 × 49,696.32
  4. Step 4: Simplify right side
    133,994.88x = 9,985,477,601.89
  5. Step 5: Solve for x
    x = 9,985,477,601.89/133,994.88
  6. Step 6: Final answer
    x = 74,521.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.